- Conditions
- Parkinson's Disease
- Interventions
- IPX066, IR CD-LD
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Hayward, California
Parkinson's Disease clinical trials
Directory of U.S. ClinicalTrials.gov public records for Parkinson's Disease. Browse Parkinson's Disease recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.
By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 14, 2026 Report an issue
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
How Parkinson's Disease studies are organized in the registry
Records generally use the registry spelling “Parkinson disease.” The portfolio mixes drug studies with a high share of device, exercise, and rehabilitation research, so the study-type filter is unusually useful here. Disease-stage language (“early,” “advanced,” “levodopa-treated”) commonly appears in titles.
These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.
Live official records
Open in full search- Conditions
- Parkinson's Disease
- Interventions
- IPX066
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 8
- States / cities
- Birmingham, Alabama • La Jolla, California • Sunnyvale, California + 5 more
- Conditions
- Parkinson's Disease
- Interventions
- CD-LD IR, IPX203 180 mg, IPX203 270 mg, Rytary 195 mg, Rytary 145 mg
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 40 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 11
- States / cities
- Phoenix, Arizona • Little Rock, Arkansas • Fountain Valley, California + 8 more
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- IPX054 100 mg, IPX054 150 mg, IPX054 200 mg, IPX054 250 mg, IPX054 300 mg
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 2
- States / cities
- Sunnyvale, California • Lawrence, Kansas
- Conditions
- Parkinson's Disease
- Interventions
- IPX054 200 mg, CD-LD IR, IPX054 Placebo, CD-LD IR Placebo
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 2
- States / cities
- Chicago, Illinois • Charleston, South Carolina
- Conditions
- Parkinson's Disease
- Interventions
- IPX066, CLE
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 12
- States / cities
- Fresno, California • Sunnyvale, California • Miami, Florida + 9 more
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- IPX054 200 mg, IPX054 250 mg, CD-LD IR, CD-LD CR, IPX054 200 mg Placebo, IPX054 250 mg Placebo, CD-LD IR Placebo, CD-LD CR Placebo
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2007
- U.S. locations
- 2
- States / cities
- Bingham Farms, Michigan • Portland, Oregon
- Conditions
- Parkinson's Disease
- Interventions
- Placebo, IPX066 95 mg LD, IPX066 145 mg LD, IPX066 195 mg LD, IPX066 245 mg LD
- Drug
- Lead sponsor
- Impax Laboratories, LLC
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 381 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 27
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Garden Grove, California + 22 more
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- CVT-301
- Drug
- Lead sponsor
- Acorda Therapeutics
- Industry
- Eligibility
- 30 Years to 86 Years
- Enrollment
- 325 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 55
- States / cities
- Scottsdale, Arizona • Fresno, California • Fullerton, California + 47 more
- Conditions
- Parkinson's Disease
- Interventions
- Deep Brain Stimulation, DBS surgery
- Device · Procedure
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Parkinson's Disease
- Interventions
- Accordion Pill™ Carbidopa/Levodopa, Sinemet®, Placebo -AP-CD/LD, Placebo- Sinemet
- Drug
- Lead sponsor
- Intec Pharma Ltd.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 420 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 36
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Fountain Valley, California + 32 more
- Conditions
- Parkinson's Disease
- Interventions
- CVT-301, Sinemet
- Drug
- Lead sponsor
- Acorda Therapeutics
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019
- U.S. locations
- 5
- States / cities
- Long Beach, California • Hallandale, Florida • Orlando, Florida + 2 more
About this Parkinson's Disease clinical trials directory page
- What this page lists
- U.S. ClinicalTrials.gov public records that list Parkinson's Disease as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
- How to narrow results
- Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Parkinson's Disease.
- Where the data comes from
- Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.
Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Parkinson's Disease.